Family members identified the victim as Monae Turnage. Police said the teenager was accidentally shot by a .22-caliber rifle that she and her friends were playing with.

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Two boys, ages 12 and 13, were charged with involuntary manslaughter.

Relatives had become suspicious Saturday night when Turnage didn't return home from rollerskating with friends in Parkville, which she had done so many other times. When friends couldn't give the family a straight answer, the family reported Turnage missing at about 1 a.m. Sunday.

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"It's not like her to not come home," said Paulette Marshall, Turnage's aunt.

"When we didn't hear from her -- 30 minutes went by -- we knew something was terribly wrong, and the story that her friends were saying, it didn't add up. So, we knew it was something that wasn't right," said Patricia Wright, Turnage's aunt.

The Turnage family said Monday night they do not believe the shooting was accidental because the juveniles who were with Monae Turnage when she died did not call 911.

"They hid the body. If that's an accident, call the police. Don't hold the body, calling us and pretending you don't know what's going on," said David Wright, Monae Turnage's uncle.

The family said the juveniles pretended to be upset over Monae's disappearance, joining in the search for her and eventually guiding her 16-year-old brother to her body, which was found under some plastic trash bags on Sunday in the 1600 block of Cliftview Avenue.

"First, we looked and we didn't see anything. Then, we went back again and that's when we found her," said Turnage's mother, Edith.

"Two of the boys in the neighborhood and her brother had been walking the alleys all night and all day trying to find her," Marshall said.

Monae's family said they're haunted by the thought that she may have survived if they boys had called for help.

The 13-year-old was an eighth-grade student at William C. March Middle School. Various certificates of academic achievement and an open Bible lay by her bed. Edith Turnage said her daughter was very well rounded and had dreams of being a doctor.

"She was kind. She went to school every day. She was up on her grades. She was in church, she sang in the choir," Edith Turnage said.

"She was a good kid. We've never had any problems out of her. She was just a really good kid," Marshall said.

"It saddens my heart. I pray for the whole neighborhood anyway, all the time," one neighbor said.

Police have called the case a senseless crime, alluding to the possibility that more charges could come once investigators pin down who owned the gun and how the kids got a hold of it. The Turnage family said they hope charges will be brought against any adult who had access to the gun or who may have found out about Monae's death after the fact.

Homicide detectives said they are investigating, as is customary with all missing children deaths. Officials said the girl's body will undergo an autopsy at the State Medical Examiner's Office on Monday.